The ice-albedo feedback is absent in the tropics because
A) the albedo is usually fairly high.
B) the albedo is usually fairly low.
C) the ITCZ regulates the albedo.
D) very little ice is present.
Answer: D
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Why can't the elements of a compound be separated from one another by physical means?
A. Elements found within a compound tend to be inert. B. Elements tend not to be soluble in water. C. They are too homogeneous when found within a compound. D. Their atoms are too tightly bound to one another.
Which of the following describes why the net force acting on air that is blowing parallel to straight contours at constant speed is zero?
A. Coriolis and pressure gradient forces are equal and pulling in opposite directions. B. Coriolis and pressure gradient forces are equal and pulling in identical directions. C. Coriolis and frictional forces are equal, and pulling in identical directions. D. Coriolis and frictional forces are equal, and pulling in opposite directions.
Conservation International is an NGO that carries out well-publicized confrontations.
Answer the following statement true (T) or false (F)
Describe the Younger Dryas period, the evidence for its existence, and the hypothesis for its origin
What will be an ideal response?